Home / 3,636.82-5,455.06-1,171.58

Finding the Fourth Proportional to 3,636.82, 5,455.06 and 1,171.58

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Solution

The fourth proportional to 3,636.82, 5,455.06 and 1,171.58 is: 1,757.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.82 : 5,455.06 = 1,171.58 : x
  2. Step 2: Convert to fraction form
    3,636.82/5,455.06 = 1,171.58/x
  3. Step 3: Cross multiply
    3,636.82x = 5,455.06 × 1,171.58
  4. Step 4: Simplify right side
    3,636.82x = 6,391,039.19
  5. Step 5: Solve for x
    x = 6,391,039.19/3,636.82
  6. Step 6: Final answer
    x = 1,757.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.